> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf > Of Carl Eugen Hoyos > Subject: Re: [FFmpeg-devel] [PATCH 3/3] lavf/qsv_vpp: fix compiling warning > > 2017-11-15 10:04 GMT+01:00 Zhong Li <zhong...@intel.com>: > > fix the compiling warning of "ignoring return value" > > > - ff_formats_ref(in_fmts, &ctx->inputs[0]->out_formats); > > - ff_formats_ref(out_fmts, &ctx->outputs[0]->in_formats); > > + if ((ret = ff_formats_ref(in_fmts, &ctx->inputs[0]->out_formats)) < 0) > > + return ret; > > + if ((ret = ff_formats_ref(out_fmts, &ctx->outputs[0]->in_formats)) < > 0) > > Two additional lines are cheap.
Just don't like any compiling warnings which may have potential issues just like this one. Personally speaking, I prefer to clear most of FFmpeg compiling warnings. > > Carl Eugen > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel